* Include redacted version of Test Store API key in alert and log when running in Release configuration
* Add unit tests for redacting API keys
* Support redaction in old api keys with no prefix
* Fix lint
* Use constants instead of magic numbers
* Rename Test Store to Simulated Store only internally
* fix lint
* fix test under `SIMULATED_STORE` compiler flag
* fix test compilation
* Add name clarification to `APIKeyValidationResult.simulatedStore` enum case
* Fix public-facing strings
* Improve comment
* improve comment